Chemistry, 12.11.2020 07:20 coryintheswamp
I am a metal with electrons in 5 energy levels that can form ions with a +2 charge
Answers: 3
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 22.06.2019 19:50
What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5hz a 250 m b 0.1 m c 10m d 0.01 m
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I am a metal with electrons in 5 energy levels that can form ions with a +2 charge...
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